Revelation 2:16

So repent, or else I will quickly come and make war upon them with the sword that comes from my mouth.

Revelation 12:3-2

Another symbol was seen in heaven -- there was a huge dragon, red as fire, with seven heads and ten horns, with seven diadems on his heads.

Revelation 13:4

and worshiped the dragon for giving the wild beast his authority; they also worshiped the wild beast, and said, "Who is there like the wild beast? Who is there to make war on him?"

Revelation 13:11

Then I saw another wild beast coming up out of the land. He had two horns like a lamb, but he spoke like a dragon.

Revelation 16:13

Then I saw three foul spirits leap like frogs from the mouth of the dragon, from the mouth of the wild beast, and from the mouth of the false prophet.

Revelation 17:1

Then one of the seven angels with the seven bowls came and spoke to me, saying: "Come, I will show you the doom of the noted prostitute who is seated on many waters,

Revelation 17:15

He also said to me: "The waters that you saw, on which the prostitute was seated, are peoples, multitudes, nations, and languages.

Revelation 19:21

The rest were killed with the sword that shot from the mouth of the horse's Rider, and all the birds were gorged with their flesh.

Revelation 20:2

He seized the dragon, the ancient serpent, who is the devil and Satan, and bound him for a thousand years.

Treasury of Scripture Knowledge

Summary

In that day the LORD with his sore and great and strong sword shall punish leviathan the piercing serpent, even leviathan that crooked serpent; and he shall slay the dragon that is in the sea.

General references

Bible References

With his

Revelation 2:16
So repent, or else I will quickly come and make war upon them with the sword that comes from my mouth.
Revelation 19:21
The rest were killed with the sword that shot from the mouth of the horse's Rider, and all the birds were gorged with their flesh.

In the sea

Revelation 13:1
Then I stood on the sand of the seashore, and I saw a wild beast coming up out of the sea with ten horns and seven heads, with ten diadems on his horns, and blasphemous titles on his heads.
Revelation 17:1
Then one of the seven angels with the seven bowls came and spoke to me, saying: "Come, I will show you the doom of the noted prostitute who is seated on many waters,

General references

Mark 3:27
But no one can get into a giant's house and carry off his goods, unless he first binds the giant; after that he can make a clean sweep of his house.
Luke 11:22
But when a man stronger than he attacks him and overcomes him, he strips him of all his arms on which he relied, and distributes his goods as spoils.